The phrase "a contribution to improving" is correct and usable in written English.
It can be used when discussing efforts or actions that enhance or advance a particular situation, process, or outcome.
Example: "Her research represents a significant contribution to improving our understanding of climate change."
Alternatives: "an effort to enhance" or "a step towards bettering".
This could perhaps make a contribution to improving affordability more generally by more closely meeting demand.
As many of our social care TV films demonstrate, everyone in a care and support team can make a contribution to improving the quality of care.
Only those who do a good job and improve their skills and make a contribution to improving the overall Granite Rock system receive higher than midpoint pay.
Sometimes it is because they just want to help other people like themselves, and make a contribution to improving NHS care.
Root observations such as those presented here make a contribution to improving our understanding of how and when, and at what density, plantings become effective for controlling erosion.
Everyone can, in some way, make a contribution to improving life for those with the least opportunities.
Moreover, structure of non-woven fabric had a contribution to improve absorbing performance.
In this work it is intended to provide also a contribution to improve the characterization of these formations with special emphasis to the weathered horizons.
This composite material is intended to be used in false ceiling such as cork gypsum board instead of plasterboard; its use will be a contribution to improve energy efficiency in buildings.
Like [49], our paper gives a contribution to improve the understanding of global logistics networks re-design processes and relative impacts on the economy.
They are proposed to the health and research communities as a contribution to improve clinical studies about rare cancers, given the peculiar difficulties they pose.
